/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.cypher.internal.compiler.test_helpers

import org.scalatest.matchers.MatchResult
import org.scalatest.matchers.Matcher

import scala.reflect.ClassTag

trait CustomMatchers {

  class IsTypeOf(clazz: Class[_]) extends Matcher[Any] {

    def apply(left: Any) = MatchResult(
      clazz.isAssignableFrom(left.getClass),
      s"expected $left to have type $clazz but it was ${left.getClass}",
      s"$left has type $clazz"
    )
  }

  def haveType[T](implicit manifest: ClassTag[T]) = new IsTypeOf(manifest.runtimeClass)

}
